Approximation of W-1,W-p Sobolev homeomorphism by diffeomorphisms and the signs of the Jacobian

Abstrakt

Let Omega subset of R-n, n >= 4, be a domain and 1 0 on a set of positive measure and J(f) f in W-1,W-p.

Klíčová slova

• Jacobian
• Approximation
• Sobolev homeomorphism